I cover cardiology news for CardioExchange, a social media website for cardiologists published by the New England Journal of Medicine. I was the editor of TheHeart.Org from its inception in 1999 until December 2008. Following the purchase of TheHeart.Org by WebMD in 2005, I became the editorial director of WebMD professional news, encompassing TheHeart.Org and Medscape Medical News. Prior to joining TheHeart.Org, I was a freelance medical journalist and wrote for a wide variety of medical and computer publications. In 1994-1995 I was a Knight Science Journalism Fellow at MIT. I have a PhD in English from SUNY Buffalo, and I drove a taxicab in New York City before embarking on a career in medical journalism. You can follow me on Twitter at: @cardiobrief.

FDA Approves Juvisync, Combination of Sitagliptin and Simvastatin

The FDA has approved a fixed-dose combination tablet consisting of sitagliptin and simvastatin, two drugs previously approved for type 2 diabetes and hypercholesterolemia. The new drug will be marketed as Juvisync by Merck.

“This is the first product to combine a type 2 diabetes drug with a cholesterol lowering drug in one tablet,” said Mary H. Parks, the director of the Division of Metabolism and Endocrinology Products in the FDA’s Center for Drug Evaluation and Research, in an FDA press release. “However, to ensure safe and effective use of this product, tablets containing different doses of sitagliptin and simvastatin in fixed-dose combination have been developed to meet the different needs of individual patients. Dose selection should factor in what other drugs the patient is taking.”

The FDA said it had approved dosage strengths for sitagliptin/simvastatin of 100 mg/10 mg, 100 mg/20 mg and 100 mg/40 mg. Other dosage combinations are under development.

The U.S. Food and Drug Administration today approved Juvisync (sitagliptin and simvastatin), a fixed-dose combination (FDC) prescription medication that contains two previously approved medicines in one tablet for use in adults who need both sitagliptin and simvastatin.

About 20 million people in the United States have type 2 diabetes, and they often have high cholesterol levels as well. These conditions can lead to increased risk of heart disease, stroke, kidney disease and blindness, among other chronic conditions, particularly if left untreated or poorly treated.

Sitagliptin is a dipeptidyl peptidase 4 (DPP-4) inhibitor that enhances the body’s own ability to lower elevated blood sugar and is approved for use in combination with diet and exercise to improve glycemic control in adults with type 2 diabetes. Simvastatin is an HMG-CoA reductase inhibitor, or statin, approved for use with diet and exercise to reduce the amount of “bad cholesterol” (low-density lipoprotein cholesterol or LDL-C) in the blood.

“This is the first product to combine a type 2 diabetes drug with a cholesterol lowering drug in one tablet,” said Mary H. Parks, M.D., director of the Division of Metabolism and Endocrinology Products in the FDA’s Center for Drug Evaluation and Research. “However, to ensure safe and effective use of this product, tablets containing different doses of sitagliptin and simvastatin in fixed-dose combination have been developed to meet the different needs of individual patients. Dose selection should factor in what other drugs the patient is taking.”

This FDC is based on substantial experience with both sitagliptin and simvastatin, and the ability of the single tablet to deliver similar amounts of the drugs to the bloodstream as when sitagliptin and simvastatin are taken separately. Juvisync is a convenience combination and should only be prescribed when it is appropriate for a patient to be placed on both of these drugs.

Juvisync was approved in dosage strengths for sitagliptin/simvastatin of 100 mg/10 mg, 100 mg/20 mg and 100 mg/40 mg. The company has committed to develop FDC tablets with the sitagliptin 50 mg dose, as Juvisync 50 mg/10 mg, 50 mg/20 mg and 50 mg/40 mg. Pending availability of the FDC tablets containing 50 mg of sitagliptin, patients who require this dose should continue to use the single ingredient sitagliptin tablet. There is no plan to develop FDCs with the sitagliptin 25 mg dose as use of this dose is quite low.

Simvastatin is currently marketed in dosage strengths of 5, 10, 20, 40, and 80 mg. Due to recent restrictions placed on the use of the 80 mg dose because of a higher risk of muscle toxicity, there will not be a FDC using this dose. There is also no plan to develop FDCs with the simvastatin 5 mg dose as use of this dose is quite low as well.

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